Annual Unduplicated Enrollment in Oklahoma Public Colleges and Universities (Five-Year Trend),2003-04 234,873; 2004-05 238,245; 2005-06 235,730 ;2006-07 232,505; 2007-08 232,275; 2008-09 235,968; 2009-10 250,208; 2010-11 255,503; 2011-12 256,213; 2012-13 251,096.

Source: OSRHE Unitized Data System, October, 2013